/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.workbench.services.verifier.api.client.maps.util;

import java.util.ArrayList;
import java.util.List;

import org.drools.workbench.services.verifier.api.client.relations.HumanReadable;
import org.drools.workbench.services.verifier.api.client.relations.IsRedundant;


public class RedundancyResult<Parent, Item extends IsRedundant & HumanReadable> {

    public static final RedundancyResult EMPTY = new RedundancyResult();

    protected final List<Item> list = new ArrayList<>();
    private Parent parent;

    public RedundancyResult( final Item... items ) {
        for ( final Item item : items ) {
            list.add( item );
        }
    }

    public RedundancyResult( final Parent parent,
                             final RedundancyResult<Object, Item> result ) {
        this.parent = parent;
        list.addAll( result.list );
    }

    public boolean isTrue() {
        return !list.isEmpty();
    }

    public Item get( final int i ) {
        return list.get( i );
    }

    public Parent getParent() {
        return parent;
    }
}
